1273150560 has 96 divisors (see below), whose sum is σ = 4375026432. Its totient is φ = 308641280.

The previous prime is 1273150517. The next prime is 1273150589. The reversal of 1273150560 is 650513721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115284 + ... + 125843.

It is an arithmetic number, because the mean of its divisors is an integer number (45573192).

Almost surely, 2^1273150560 is an apocalyptic number.

1273150560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273150560 is an abundant number, since it is smaller than the sum of its proper divisors (3101875872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273150560 is a wasteful number, since it uses less digits than its factorization.

1273150560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241156 (or 241148 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1273150560 is about 35681.2354046213. The cubic root of 1273150560 is about 1083.8268901092.

The spelling of 1273150560 in words is "one billion, two hundred seventy-three million, one hundred fifty thousand, five hundred sixty".